EditPane.java
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|---|---|---|
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org.gjt.sp.jedit |
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jEdit |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| JAVA0034 | JAVA0034 Missing braces in if statement |  |
| LINE_COMMENT | Number of line comments | |
| DECL_COMMENTS | Comments in declarations | |
| EXITS | Procedure exits | |
| CYCLOMATIC | Cyclomatic complexity | |
| COMPARISONS | Number of comparison operators | |
| LOC | Lines of code | |
| ELOC | Effective lines of code | |
| OPERATORS | Number of operators | |
| LINES | Number of lines in the source file | |
| PROGRAM_LENGTH | Halstead program length | |
| LOGICAL_LINES | Number of statements | |
| SIZE | Size of the file in bytes | |
| OPERANDS | Number of operands | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| EXEC_COMMENTS | Comments in executable code | |
| BLOCKS | Number of blocks | |
| COMMENTS | Comment lines | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
| FUNCTIONS | Number of function declarations | |
| JAVA0179 | JAVA0179 Local variable hides visible field | |
| RETURNS | Number of return points from functions | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0032 | JAVA0032 Switch statement missing default | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0007 | JAVA0007 Should not declare public field | |
| JAVA0116 | JAVA0116 Missing javadoc: field 'field' | |
| WHITESPACE | Number of whitespace lines | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0096 | JAVA0096 Field in nested class hides outer field | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0137 | JAVA0137 Non-abstract class missing constructor | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0035 | JAVA0035 Missing braces in for statement | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| LOOPS | Number of loops | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
/*
* EditPane.java - Text area and buffer switcher
* :tabSize=8:indentSize=8:noTabs=false:
* :folding=explicit:collapseFolds=1:
*
* Copyright (C) 2000, 2005 Slava Pestov
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
package org.gjt.sp.jedit;
//{{{ Imports
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.Graphics2D;
import java.util.HashMap;
import java.util.Map;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import org.gjt.sp.jedit.buffer.JEditBuffer;
import org.gjt.sp.jedit.bufferset.BufferSet;
import org.gjt.sp.jedit.bufferset.BufferSetListener;
import org.gjt.sp.jedit.bufferset.BufferSetManager;
import org.gjt.sp.jedit.gui.BufferSwitcher;
import org.gjt.sp.jedit.gui.StatusBar;
import org.gjt.sp.jedit.io.VFSManager;
import org.gjt.sp.jedit.msg.BufferChanging;
import org.gjt.sp.jedit.msg.BufferUpdate;
import org.gjt.sp.jedit.msg.EditPaneUpdate;
import org.gjt.sp.jedit.msg.PropertiesChanged;
import org.gjt.sp.jedit.syntax.SyntaxStyle;
import org.gjt.sp.jedit.textarea.AntiAlias;
import org.gjt.sp.jedit.textarea.Gutter;
import org.gjt.sp.jedit.textarea.JEditTextArea;
import org.gjt.sp.jedit.textarea.MouseHandler;
import org.gjt.sp.jedit.textarea.Selection;
import org.gjt.sp.jedit.textarea.StatusListener;
import org.gjt.sp.jedit.textarea.TextArea;
import org.gjt.sp.jedit.textarea.TextAreaExtension;
import org.gjt.sp.jedit.textarea.TextAreaPainter;
import org.gjt.sp.jedit.textarea.TextAreaTransferHandler;
import org.gjt.sp.util.SyntaxUtilities;
//}}}
/**
* A panel containing a text area.<p>
*
* In a BeanShell script, you can obtain the current edit pane from the
* <code>editPane</code> variable.<p>
*
*
* Each View can have multiple editPanes, one is active at a time.
* Each EditPane has a single JEditTextArea, and is operating on single buffer.
* The EditPane also can switch buffers.
*
* This is the "controller" between a JEditTextArea (view) and a buffer (model).
*
* This class does not have a public constructor.
* Edit panes can be created and destroyed using methods in the
* {@link View} class.<p>
*
*
* @see View#splitHorizontally()
* @see View#splitVertically()
* @see View#unsplitCurrent()
* @see View#unsplit()
* @see View#getEditPane()
* @see View#getEditPanes()
*
* @author Slava Pestov
* @version $Id: EditPane.java 13332 2008-08-16 13:27:47Z daleanson $
*/
public class EditPane extends JPanel implements EBComponent, BufferSetListener
{
//{{{ getView() method
/**
* Returns the view containing this edit pane.
* @return the view that contains this EditPane
* @since jEdit 2.5pre2
*/
public View getView()
{
return view;
} //}}}
//{{{ getBuffer() method
/**
* Returns the current buffer.
* @return the current buffer
* @since jEdit 2.5pre2
*/
public Buffer getBuffer()
{
return buffer;
} //}}}
//{{{ setBuffer() methods
/**
* Sets the current buffer.
* @param buffer The buffer to edit.
* @since jEdit 2.5pre2
*/
public void setBuffer(Buffer buffer)
{
setBuffer(buffer, true);
}
/**
* Sets the current buffer.
* @param buffer The buffer to edit.
* @param requestFocus true if the textarea should request focus, false otherwise
* @since jEdit 4.3pre6
*/
public void setBuffer(final Buffer buffer, boolean requestFocus)
{
if(buffer == null)
throw new NullPointerException();
if(this.buffer == buffer)
return;
if (bufferSet.indexOf(buffer) == -1)
{
jEdit.getBufferSetManager().addBuffer(this, buffer);
}
//if(buffer.insideCompoundEdit())
// buffer.endCompoundEdit();
EditBus.send(new BufferChanging(this, buffer));
if (bufferSet.indexOf(this.buffer) != -1)
{
// when closing the last buffer of a bufferSet, the current buffer will still be the closed
// buffer until a new empty buffer is created.
// So if the current buffer is not anymore in the bufferSet, do not set the recentBuffer
recentBuffer = this.buffer;
}
if(recentBuffer != null)
saveCaretInfo();
this.buffer = buffer;
textArea.setBuffer(buffer);
if(!init)
{
view.updateTitle();
if(bufferSwitcher != null)
{
if(bufferSwitcher.getSelectedItem() != buffer)
bufferSwitcher.setSelectedItem(buffer);
bufferSwitcher.setToolTipText(buffer.getPath());
}
EditBus.send(new EditPaneUpdate(this,EditPaneUpdate
.BUFFER_CHANGED));
}
if (requestFocus)
{
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
// only do this if we are the current edit pane
if(view.getEditPane() == EditPane.this
&& (bufferSwitcher == null
|| !bufferSwitcher.isPopupVisible()))
{
textArea.requestFocus();
}
}
});
}
// Only do this after all I/O requests are complete
Runnable runnable = new Runnable()
{
public void run()
{
// avoid a race condition
// see bug #834338
if(buffer == getBuffer())
loadCaretInfo();
}
};
if(buffer.isPerformingIO())
VFSManager.runInAWTThread(runnable);
else
runnable.run();
} //}}}
//{{{ prevBuffer() method
/**
* Selects the previous buffer.
* @since jEdit 2.7pre2
*/
public void prevBuffer()
{
Buffer buffer = bufferSet.getPreviousBuffer(bufferSet.indexOf(this.buffer));
setBuffer(buffer);
} //}}}
//{{{ nextBuffer() method
/**
* Selects the next buffer.
* @since jEdit 2.7pre2
*/
public void nextBuffer()
{
Buffer buffer = bufferSet.getNextBuffer(bufferSet.indexOf(this.buffer));
setBuffer(buffer);
} //}}}
//{{{ recentBuffer() method
/**
* Selects the most recently edited buffer.
* @since jEdit 2.7pre2
*/
public void recentBuffer()
{
if(recentBuffer != null)
setBuffer(recentBuffer);
else
getToolkit().beep();
} //}}}
//{{{ focusOnTextArea() method
/**
* Sets the focus onto the text area.
* @since jEdit 2.5pre2
*/
public void focusOnTextArea()
{
SwingUtilities.invokeLater(new Runnable()
{
public void run()
{
textArea.requestFocus();
}
});
} //}}}
//{{{ getTextArea() method
/**
* Returns the view's text area.
* @return the text area of the edit pane
* @since jEdit 2.5pre2
*/
public JEditTextArea getTextArea()
{
return textArea;
} //}}}
//{{{ getBufferSwitcher() method
/**
* Returns the buffer switcher combo box instance.
* @return the buffer switcher (it can be null)
* @since jEdit 4.1pre8
*/
public BufferSwitcher getBufferSwitcher()
{
return bufferSwitcher;
} //}}}
//{{{ showBufferSwitcher() method
/**
* Shows the buffer switcher combo box.
* @since jEdit 4.1pre8
*/
public void showBufferSwitcher()
{
if(bufferSwitcher == null)
getToolkit().beep();
else
{
bufferSwitcher.requestFocus();
bufferSwitcher.showPopup();
}
} //}}}
//{{{ saveCaretInfo() method
/**
* Saves the caret information to the current buffer.
* @since jEdit 2.5pre2
*/
public void saveCaretInfo()
{
if(!buffer.isLoaded())
return;
buffer.setIntegerProperty(Buffer.CARET,
textArea.getCaretPosition());
// save a map of buffer.getPath() -> CaretInfo, this is necessary for
// when the same buffer is open in more than one EditPane and the user
// is switching between buffers. We want to keep the caret in the
// right position in each EditPane, which won't be the case if we
// just use the buffer caret property.
Map<String, CaretInfo> carets = (Map<String, CaretInfo>)getClientProperty(CARETS);
if (carets == null)
{
carets = new HashMap<String, CaretInfo>();
putClientProperty(CARETS, carets);
}
CaretInfo caretInfo = carets.get(buffer.getPath());
if (caretInfo == null)
{
caretInfo = new CaretInfo();
carets.put(buffer.getPath(), caretInfo);
}
caretInfo.caret = textArea.getCaretPosition();
Selection[] selection = textArea.getSelection();
for(int i = 0; i < selection.length; i++)
selection[i] = (Selection)selection[i].clone();
buffer.setProperty(Buffer.SELECTION,selection);
caretInfo.selection = selection;
caretInfo.rectangularSelection = textArea.isRectangularSelectionEnabled();
caretInfo.multipleSelection = textArea.isMultipleSelectionEnabled();
buffer.setIntegerProperty(Buffer.SCROLL_VERT,
textArea.getFirstPhysicalLine());
caretInfo.scrollVert = textArea.getFirstPhysicalLine();
buffer.setIntegerProperty(Buffer.SCROLL_HORIZ,
textArea.getHorizontalOffset());
caretInfo.scrollHoriz = textArea.getHorizontalOffset();
if (!buffer.isUntitled())
{
BufferHistory.setEntry(buffer.getPath(), textArea.getCaretPosition(),
(Selection[])buffer.getProperty(Buffer.SELECTION),
buffer.getStringProperty(JEditBuffer.ENCODING),
buffer.getMode().getName());
}
} //}}}
//{{{ loadCaretInfo() method
/**
* Loads the caret and selection information from this EditPane, fall
* back to the information from the current buffer if none is already
* in this EditPane.
* @since jEdit 2.5pre2
*/
public void loadCaretInfo()
{
// get our internal map of buffer -> CaretInfo since there might
// be current info already
Map<String, CaretInfo> carets = (Map<String, CaretInfo>) getClientProperty(CARETS);
if (carets == null)
{
carets = new HashMap<String, CaretInfo>();
putClientProperty(CARETS, carets);
}
CaretInfo caretInfo = carets.get(buffer.getPath());
if (caretInfo == null)
{
caretInfo = new CaretInfo();
}
// set the position of the caret itself.
// Caret position could be stored in the internal map already,
// if so, use that one first. Otherwise, fall back to any
// previously saved caret position that was stored in the
// buffer properties.
int caret = caretInfo.caret;
if (caret == -1 || buffer.getBooleanProperty(Buffer.CARET_POSITIONED))
{
Integer i = (Integer) buffer.getProperty(Buffer.CARET);
caret = i == null ? -1 : i;
}
buffer.unsetProperty(Buffer.CARET_POSITIONED);
if(caret != -1)
textArea.setCaretPosition(Math.min(caret,
buffer.getLength()));
// set any selections
Selection[] selection = caretInfo.selection;
if ( selection == null ) {
selection = (Selection[])buffer.getProperty(Buffer.SELECTION);
}
if(selection != null)
{
for(int i = 0; i < selection.length; i++)
{
Selection s = selection[i];
int max = buffer.getLength();
if(s.getStart() > max || s.getEnd() > max)
selection[i] = null;
}
}
textArea.setSelection(selection);
textArea.setRectangularSelectionEnabled(caretInfo.rectangularSelection);
textArea.setMultipleSelectionEnabled(caretInfo.multipleSelection);
// set firstLine value
int firstLine = caretInfo.scrollVert;
if ( firstLine == -1 )
{
Integer i = (Integer) buffer.getProperty(Buffer.SCROLL_VERT);
firstLine = i == null ? -1 : i;
}
if(firstLine != -1)
textArea.setFirstPhysicalLine(firstLine);
// set horizontal offset
int horizontalOffset = caretInfo.scrollHoriz;
if (horizontalOffset == -1)
{
Integer i = (Integer) buffer.getProperty(Buffer.SCROLL_HORIZ);
horizontalOffset = i == null ? -1 : i;
}
if(horizontalOffset != -1)
textArea.setHorizontalOffset(horizontalOffset);
/* Silly bug workaround #8694. If you look at the above code,
* note that we restore the saved caret position first, then
* scroll to the saved location. However, the caret changing
* can itself result in scrolling to a different location than
* what was saved; and since moveCaretPosition() calls
* updateBracketHighlight(), the bracket highlight's out of
* bounds calculation will rely on a different set of physical
* first/last lines than what we will end up with eventually.
* Instead of confusing the user with status messages that
* appear at random when switching buffers, we simply hide the
* message altogether. */
view.getStatus().setMessage(null);
} //}}}
//{{{ bufferRenamed() method
/**
* This method should be called by the Buffer when the path is changing.
* @param oldPath the old path of the buffer
* @param newPath the new path of the buffer
*/
void bufferRenamed(String oldPath, String newPath)
{
Map<String, CaretInfo> carets = (Map<String, CaretInfo>) getClientProperty(CARETS);
if (carets == null)
return;
CaretInfo caretInfo = carets.remove(oldPath);
if (caretInfo != null)
carets.put(newPath, caretInfo);
} //}}}
//{{{ CaretInfo class
/**
* Need to track this info for each buffer that this EditPane might edit
* since a buffer may be open in more than one EditPane at a time. That
* means we need to track this info at the EditPane level rather than
* the buffer level.
*/
private static class CaretInfo
{
public int caret = -1;
public Selection[] selection;
public int scrollVert = -1;
public int scrollHoriz = -1;
public boolean rectangularSelection;
public boolean multipleSelection;
} //}}}
//{{{ goToNextMarker() method
/**
* Moves the caret to the next marker.
* @since jEdit 4.3pre3
*/
public void goToNextMarker(boolean select)
{
java.util.List<Marker> markers = buffer.getMarkers();
if(markers.isEmpty())
{
getToolkit().beep();
return;
}
Marker marker = null;
int caret = textArea.getCaretPosition();
for(int i = 0; i < markers.size(); i++)
{
Marker _marker = markers.get(i);
if(_marker.getPosition() > caret)
{
marker = _marker;
break;
}
}
// the markers list is not empty at this point
if(marker == null)
marker = markers.get(0);
if(select)
textArea.extendSelection(caret,marker.getPosition());
else if(!textArea.isMultipleSelectionEnabled())
textArea.selectNone();
textArea.moveCaretPosition(marker.getPosition());
} //}}}
//{{{ goToPrevMarker() method
/**
* Moves the caret to the previous marker.
* @since jEdit 2.7pre2
*/
public void goToPrevMarker(boolean select)
{
java.util.List<Marker> markers = buffer.getMarkers();
if(markers.isEmpty())
{
getToolkit().beep();
return;
}
int caret = textArea.getCaretPosition();
Marker marker = null;
for(int i = markers.size() - 1; i >= 0; i--)
{
Marker _marker = markers.get(i);
if(_marker.getPosition() < caret)
{
marker = _marker;
break;
}
}
if(marker == null)
marker = markers.get(markers.size() - 1);
if(select)
textArea.extendSelection(caret,marker.getPosition());
else if(!textArea.isMultipleSelectionEnabled())
textArea.selectNone();
textArea.moveCaretPosition(marker.getPosition());
} //}}}
//{{{ goToMarker() method
/**
* Moves the caret to the marker with the specified shortcut.
* @param shortcut The shortcut
* @param select True if the selection should be extended,
* false otherwise
* @since jEdit 3.2pre2
*/
public void goToMarker(char shortcut, boolean select)
{
Marker marker = buffer.getMarker(shortcut);
if(marker == null)
{
getToolkit().beep();
return;
}
int pos = marker.getPosition();
if(select)
textArea.extendSelection(textArea.getCaretPosition(),pos);
else if(!textArea.isMultipleSelectionEnabled())
textArea.selectNone();
textArea.moveCaretPosition(pos);
} //}}}
//{{{ addMarker() method
/**
* Adds a marker at the caret position.
* @since jEdit 3.2pre1
*/
public void addMarker()
{
int caretLine = textArea.getCaretLine();
// always add markers on selected lines
Selection[] selection = textArea.getSelection();
for(int i = 0; i < selection.length; i++)
{
Selection s = selection[i];
int startLine = s.getStartLine();
if(startLine != s.getEndLine() && startLine != caretLine)
{
buffer.addMarker('\0',s.getStart());
}
if(s.getEndLine() != caretLine)
buffer.addMarker('\0',s.getEnd());
}
// toggle marker on caret line
buffer.addOrRemoveMarker('\0',textArea.getCaretPosition());
} //}}}
//{{{ swapMarkerAndCaret() method
/**
* Moves the caret to the marker with the specified shortcut,
* then sets the marker position to the former caret position.
* @param shortcut The shortcut
* @since jEdit 3.2pre2
*/
public void swapMarkerAndCaret(char shortcut)
{
Marker marker = buffer.getMarker(shortcut);
if(marker == null)
{
getToolkit().beep();
return;
}
int caret = textArea.getCaretPosition();
textArea.setCaretPosition(marker.getPosition());
buffer.addMarker(shortcut,caret);
} //}}}
//{{{ handleMessage() method
public void handleMessage(EBMessage msg)
{
if(msg instanceof PropertiesChanged)
{
propertiesChanged();
loadBufferSwitcher();
}
else if(msg instanceof BufferUpdate)
handleBufferUpdate((BufferUpdate)msg);
} //}}}
//{{{ getMinimumSize() method
/**
* Returns 0,0 for split pane compatibility.
*/
@Override
public final Dimension getMinimumSize()
{
return new Dimension(0,0);
} //}}}
//{{{ getBufferSet() method
public BufferSet getBufferSet()
{
return bufferSet;
} //}}}
//{{{ setBufferSet() methods
/**
* Set the default bufferSet.
* from the editpane.bufferset.default property
*
* @since jEdit 4.3pre15
*/
public void setBufferSet()
{
BufferSet.Scope mode = BufferSet.Scope.fromString(jEdit.getProperty("editpane.bufferset.default"));
switch (mode)
{
case view:
setBufferSet(jEdit.getBufferSetManager().getViewBufferSet(view));
break;
case editpane:
setBufferSet(jEdit.getBufferSetManager().getEditPaneBufferSet(this));
break;
case global:
setBufferSet(jEdit.getBufferSetManager().getGlobalBufferSet());
break;
}
}
/**
* Set the new bufferSet of the EditPane.
* @param bufferSet the new bufferSet
* @since jEdit 4.3pre15
*/
public void setBufferSet(BufferSet bufferSet)
{
if (this.bufferSet != bufferSet)
{
BufferSetManager bufferSetManager = jEdit.getBufferSetManager();
String action = jEdit.getProperty("editpane.bufferset.new");
BufferSetManager.NewBufferSetAction bufferSetAction = BufferSetManager.NewBufferSetAction.fromString(action);
switch (bufferSetAction)
{
case copy:
if (this.bufferSet == null)
bufferSetManager.addAllBuffers(bufferSet);
else
bufferSetManager.mergeBufferSet(bufferSet, this.bufferSet);
break;
case empty:
break;
case currentbuffer:
View activeView = jEdit.getActiveView();
if (activeView == null)
break;
EditPane editPane = activeView.getEditPane();
Buffer buffer = editPane.getBuffer();
bufferSetManager.addBuffer(bufferSet,buffer);
break;
}
if (this.bufferSet != null)
{
this.bufferSet.removeBufferSetListener(this);
}
if (buffer != null)
bufferSetManager.addBuffer(bufferSet, buffer);
if (bufferSet.size() == 0)
{
int untitledCount = jEdit.getNextUntitledBufferId();
Buffer newEmptyBuffer = jEdit.openTemporary(jEdit.getActiveView(), null,
"Untitled-" + untitledCount,true, null);
jEdit.commitTemporary(newEmptyBuffer);
bufferSetManager.addBuffer(bufferSet, newEmptyBuffer);
}
this.bufferSet = bufferSet;
bufferSet.addBufferSetListener(this);
if (bufferSwitcher != null)
{
bufferSwitcher.updateBufferList();
}
EditBus.send(new EditPaneUpdate(this, EditPaneUpdate.BUFFERSET_CHANGED));
if (bufferSet.indexOf(recentBuffer) == -1)
{
// the recent buffer is not in the bufferSet
recentBuffer = null;
}
if (bufferSet.size() != 0 && bufferSet.indexOf(buffer) == -1)
{
// the current buffer is not contained in the bufferSet, we must change the current buffer
if (recentBuffer != null)
setBuffer(recentBuffer);
else
{
setBuffer(bufferSet.getBuffer(0));
}
}
PerspectiveManager.setPerspectiveDirty(true);
}
} //}}}
//{{{ bufferAdded() method
/**
* A buffer was added in the bufferSet.
* @param buffer the added buffer
* @param index the position where it was added
* @since jEdit 4.3pre15
*/
public void bufferAdded(Buffer buffer, int index)
{
if (bufferSwitcher != null)
bufferSwitcher.updateBufferList();
if (bufferSet.indexOf(this.buffer) == -1)
{
// it happens when having 1 untitled buffer if I open a file. The untitled buffer
// is closed but the new buffer is not yet opened
setBuffer(buffer);
}
} //}}}
//{{{ bufferRemoved() method
/**
* A buffer was removed from the bufferSet.
* @param buffer the removed buffer
* @param index the position where it was before being removed
* @since jEdit 4.3pre15
*/
public void bufferRemoved(Buffer buffer, int index)
{
if (buffer.isUntitled())
{
// the buffer was a new file so I do not need to keep it's informations
Map<String, CaretInfo> carets = (Map<String, CaretInfo>) getClientProperty(CARETS);
if (carets != null)
carets.remove(buffer.getPath());
}
if (buffer == this.buffer)
{
// The closed buffer is the current buffer
Buffer newBuffer = recentBuffer != null ?
recentBuffer : bufferSet.getPreviousBuffer(index);
if(newBuffer != null && !newBuffer.isClosed())
{
setBuffer(newBuffer);
if (bufferSet.size() > 1)
{
recentBuffer = bufferSet.getPreviousBuffer(index -1);
}
}
else if(bufferSet.size() != 0)
{
setBuffer(bufferSet.getBuffer(0));
recentBuffer = null;
}
}
if(buffer == recentBuffer)
recentBuffer = null;
if (bufferSwitcher != null)
bufferSwitcher.updateBufferList();
} //}}}
//{{{ bufferMoved() method
/**
* A buffer was moved in the BufferSet.
* @param buffer the moved buffer
* @param oldIndex the position it was before
* @param newIndex the new position
* @since jEdit 4.3pre15
*/
public void bufferMoved(Buffer buffer, int oldIndex, int newIndex)
{
if (bufferSwitcher != null)
bufferSwitcher.updateBufferList();
} //}}}
//{{{ bufferCleared() method
/**
* The bufferSet was cleared
* @since jEdit 4.3pre15
*/
public void bufferCleared()
{
int untitledCount = jEdit.getNextUntitledBufferId();
Buffer newEmptyBuffer = jEdit.openTemporary(jEdit.getActiveView(), null,
"Untitled-" + untitledCount,true, null);
jEdit.commitTemporary(newEmptyBuffer);
jEdit.getBufferSetManager().addBuffer(bufferSet, newEmptyBuffer);
setBuffer(newEmptyBuffer);
// if (bufferSwitcher != null)
// bufferSwitcher.updateBufferList();
} //}}}
//{{{ toString() method
@Override
public String toString()
{
return getClass().getName() + '['
+ (view.getEditPane() == this
? "active" : "inactive")
+ ',' + bufferSet.getScope() + ']';
} //}}}
//{{{ Package-private members
//{{{ EditPane constructor
EditPane(View view, Buffer buffer)
{
super(new BorderLayout());
init = true;
this.view = view;
textArea = new JEditTextArea(view);
paneMap.put(textArea, this);
textArea.getPainter().setAntiAlias(new AntiAlias(jEdit.getProperty("view.antiAlias")));
textArea.setMouseHandler(new MouseHandler(textArea));
textArea.setTransferHandler(new TextAreaTransferHandler());
markerHighlight = new MarkerHighlight();
textArea.getGutter().addExtension(markerHighlight);
textArea.addStatusListener(new StatusHandler());
add(BorderLayout.CENTER,textArea);
propertiesChanged();
this.buffer = buffer;
setBufferSet();
this.buffer = null;
if(buffer == null)
{
Buffer b = bufferSet.getBuffer(0);
if (b == null)
setBuffer(jEdit.getFirstBuffer());
else
setBuffer(b);
}
else
setBuffer(buffer);
loadBufferSwitcher();
init = false;
EditBus.addToBus(this);
} //}}}
//{{{ close() method
void close()
{
paneMap.remove(textArea);
saveCaretInfo();
EditBus.send(new EditPaneUpdate(this,EditPaneUpdate.DESTROYED));
EditBus.removeFromBus(this);
textArea.dispose();
} //}}}
public static EditPane get(TextArea ta)
{
return paneMap.get(ta);
}
//}}}
//{{{ Private members
//{{{ Instance variables
private boolean init;
/** The View where the edit pane is. */
private final View view;
private static final Map<TextArea, EditPane> paneMap = new HashMap<TextArea, EditPane>();
private BufferSet bufferSet;
/** The current buffer. */
private Buffer buffer;
private Buffer recentBuffer;
private BufferSwitcher bufferSwitcher;
/** The textArea inside the edit pane. */
private final JEditTextArea textArea;
private final MarkerHighlight markerHighlight;
private static final String CARETS = "Buffer->caret";
//}}}
//{{{ propertiesChanged() method
private void propertiesChanged()
{
TextAreaPainter painter = textArea.getPainter();
initPainter(painter);
Gutter gutter = textArea.getGutter();
gutter.setExpanded(jEdit.getBooleanProperty(
"view.gutter.lineNumbers"));
int interval = jEdit.getIntegerProperty(
"view.gutter.highlightInterval",5);
gutter.setHighlightInterval(interval);
gutter.setCurrentLineHighlightEnabled(jEdit.getBooleanProperty(
"view.gutter.highlightCurrentLine"));
gutter.setStructureHighlightEnabled(jEdit.getBooleanProperty(
"view.gutter.structureHighlight"));
gutter.setStructureHighlightColor(
jEdit.getColorProperty("view.gutter.structureHighlightColor"));
gutter.setBackground(
jEdit.getColorProperty("view.gutter.bgColor"));
gutter.setForeground(
jEdit.getColorProperty("view.gutter.fgColor"));
gutter.setHighlightedForeground(
jEdit.getColorProperty("view.gutter.highlightColor"));
gutter.setFoldColor(
jEdit.getColorProperty("view.gutter.foldColor"));
markerHighlight.setMarkerHighlightColor(
jEdit.getColorProperty("view.gutter.markerColor"));
markerHighlight.setMarkerHighlightEnabled(jEdit.getBooleanProperty(
"view.gutter.markerHighlight"));
gutter.setCurrentLineForeground(
jEdit.getColorProperty("view.gutter.currentLineColor"));
String alignment = jEdit.getProperty(
"view.gutter.numberAlignment");
if ("right".equals(alignment))
{
gutter.setLineNumberAlignment(Gutter.RIGHT);
}
else if ("center".equals(alignment))
{
gutter.setLineNumberAlignment(Gutter.CENTER);
}
else // left == default case
{
gutter.setLineNumberAlignment(Gutter.LEFT);
}
gutter.setFont(jEdit.getFontProperty("view.gutter.font"));
int width = jEdit.getIntegerProperty(
"view.gutter.borderWidth",3);
gutter.setBorder(width,
jEdit.getColorProperty("view.gutter.focusBorderColor"),
jEdit.getColorProperty("view.gutter.noFocusBorderColor"),
textArea.getPainter().getBackground());
textArea.setCaretBlinkEnabled(jEdit.getBooleanProperty(
"view.caretBlink"));
textArea.setElectricScroll(jEdit.getIntegerProperty(
"view.electricBorders",0));
// Set up the right-click popup menu
textArea.createPopupMenu(null);
// use old property name for backwards compatibility
textArea.setQuickCopyEnabled(jEdit.getBooleanProperty(
"view.middleMousePaste"));
textArea.setDragEnabled(jEdit.getBooleanProperty(
"view.dragAndDrop"));
textArea.setJoinNonWordChars(jEdit.getBooleanProperty(
"view.joinNonWordChars"));
textArea.setCtrlForRectangularSelection(jEdit.getBooleanProperty(
"view.ctrlForRectangularSelection"));
textArea.propertiesChanged();
if (bufferSwitcher != null) {
bufferSwitcher.setMaximumRowCount(jEdit.getIntegerProperty(
"bufferSwitcher.maxRowCount",10));
}
} //}}}
//{{{ initPainter() method
/**
* Init the painter of a textarea.
*
* @param painter the painter of a textarea
* @since jEdit 4.3pre12
*/
public static void initPainter(TextAreaPainter painter)
{
painter.setFont(jEdit.getFontProperty("view.font"));
painter.setStructureHighlightEnabled(jEdit.getBooleanProperty(
"view.structureHighlight"));
painter.setStructureHighlightColor(
jEdit.getColorProperty("view.structureHighlightColor"));
painter.setEOLMarkersPainted(jEdit.getBooleanProperty(
"view.eolMarkers"));
painter.setEOLMarkerColor(
jEdit.getColorProperty("view.eolMarkerColor"));
painter.setWrapGuidePainted(jEdit.getBooleanProperty(
"view.wrapGuide"));
painter.setWrapGuideColor(
jEdit.getColorProperty("view.wrapGuideColor"));
painter.setCaretColor(
jEdit.getColorProperty("view.caretColor"));
painter.setSelectionColor(
jEdit.getColorProperty("view.selectionColor"));
painter.setMultipleSelectionColor(
jEdit.getColorProperty("view.multipleSelectionColor"));
painter.setBackground(
jEdit.getColorProperty("view.bgColor"));
painter.setForeground(
jEdit.getColorProperty("view.fgColor"));
painter.setBlockCaretEnabled(jEdit.getBooleanProperty(
"view.blockCaret"));
painter.setThickCaretEnabled(jEdit.getBooleanProperty(
"view.thickCaret"));
painter.setLineHighlightEnabled(jEdit.getBooleanProperty(
"view.lineHighlight"));
painter.setLineHighlightColor(
jEdit.getColorProperty("view.lineHighlightColor"));
painter.setAntiAlias(new AntiAlias(jEdit.getProperty("view.antiAlias")));
painter.setFractionalFontMetricsEnabled(jEdit.getBooleanProperty(
"view.fracFontMetrics"));
String defaultFont = jEdit.getProperty("view.font");
int defaultFontSize = jEdit.getIntegerProperty("view.fontsize",12);
painter.setStyles(SyntaxUtilities.loadStyles(defaultFont,defaultFontSize));
SyntaxStyle[] foldLineStyle = new SyntaxStyle[4];
for(int i = 0; i <= 3; i++)
{
foldLineStyle[i] = GUIUtilities.parseStyle(
jEdit.getProperty("view.style.foldLine." + i),
defaultFont,defaultFontSize);
}
painter.setFoldLineStyle(foldLineStyle);
} //}}}
//{{{ loadBufferSwitcher() method
private void loadBufferSwitcher()
{
if(jEdit.getBooleanProperty("view.showBufferSwitcher"))
{
if(bufferSwitcher == null)
{
bufferSwitcher = new BufferSwitcher(this);
add(BorderLayout.NORTH,bufferSwitcher);
bufferSwitcher.updateBufferList();
revalidate();
}
}
else if(bufferSwitcher != null)
{
remove(bufferSwitcher);
revalidate();
bufferSwitcher = null;
}
} //}}}
//{{{ handleBufferUpdate() method
private void handleBufferUpdate(BufferUpdate msg)
{
Buffer _buffer = msg.getBuffer();
if(msg.getWhat() == BufferUpdate.CREATED)
{
if(bufferSwitcher != null)
bufferSwitcher.updateBufferList();
/* When closing the last buffer, the BufferUpdate.CLOSED
* handler doesn't call setBuffer(), because null buffers
* are not supported. Instead, it waits for the subsequent
* 'Untitled' file creation. */
if(buffer.isClosed())
{
// since recentBuffer will be set to the one that
// was closed
recentBuffer = null;
}
}
else if(msg.getWhat() == BufferUpdate.CLOSED)
{
if(bufferSwitcher != null)
bufferSwitcher.updateBufferList();
if(_buffer == buffer)
{
// The closed buffer is the current buffer
Buffer newBuffer = recentBuffer != null ?
recentBuffer : _buffer.getPrev();
if(newBuffer != null && !newBuffer.isClosed())
{
setBuffer(newBuffer);
recentBuffer = newBuffer.getPrev();
}
}
else if(_buffer == recentBuffer)
recentBuffer = null;
Buffer closedBuffer = msg.getBuffer();
if (closedBuffer.isUntitled())
{
// the buffer was a new file so I do not need to keep it's informations
Map<String, CaretInfo> carets = (Map<String, CaretInfo>) getClientProperty(CARETS);
if (carets != null)
carets.remove(closedBuffer.getPath());
}
}
else if(msg.getWhat() == BufferUpdate.LOAD_STARTED)
{
if(_buffer == buffer)
{
textArea.setCaretPosition(0);
textArea.getPainter().repaint();
}
}
else if(msg.getWhat() == BufferUpdate.LOADED)
{
if(_buffer == buffer)
{
textArea.repaint();
if(bufferSwitcher != null)
bufferSwitcher.updateBufferList();
if(view.getEditPane() == this)
{
StatusBar status = view.getStatus();
status.updateCaretStatus();
status.updateBufferStatus();
status.updateMiscStatus();
}
loadCaretInfo();
}
}
else if(msg.getWhat() == BufferUpdate.DIRTY_CHANGED)
{
if(_buffer == buffer && bufferSwitcher != null)
{
if(buffer.isDirty())
bufferSwitcher.repaint();
else
bufferSwitcher.updateBufferList();
}
}
else if(msg.getWhat() == BufferUpdate.MARKERS_CHANGED)
{
if(_buffer == buffer)
textArea.getGutter().repaint();
}
else if(msg.getWhat() == BufferUpdate.PROPERTIES_CHANGED)
{
if(_buffer == buffer && buffer.isLoaded())
{
textArea.propertiesChanged();
if(view.getEditPane() == this)
view.getStatus().updateBufferStatus();
}
}
else if(msg.getWhat() == BufferUpdate.SAVED && _buffer == buffer)
{
textArea.propertiesChanged();
}
} //}}}
//}}}
//{{{ StatusHandler class
class StatusHandler implements StatusListener
{
public void statusChanged(org.gjt.sp.jedit.textarea.TextArea textArea, int flag, boolean value)
{
StatusBar status = view.getStatus();
if(status == null)
return;
switch(flag)
{
case OVERWRITE_CHANGED:
status.setMessageAndClear(
jEdit.getProperty("view.status.overwrite-changed",
new Integer[] { value ? 1 : 0 }));
break;
case MULTI_SELECT_CHANGED:
status.setMessageAndClear(
jEdit.getProperty("view.status.multi-changed",
new Integer[] { value ? 1 : 0 }));
break;
case RECT_SELECT_CHANGED:
status.setMessageAndClear(
jEdit.getProperty("view.status.rect-select-changed",
new Integer[] { value ? 1 : 0 }));
break;
}
status.updateMiscStatus();
}
public void bracketSelected(org.gjt.sp.jedit.textarea.TextArea textArea, int line, String text)
{
StatusBar status = view.getStatus();
if(status == null)
return;
status.setMessageAndClear(jEdit.getProperty(
"view.status.bracket",new Object[] {
line, text }));
}
public void narrowActive(org.gjt.sp.jedit.textarea.TextArea textArea)
{
StatusBar status = view.getStatus();
if(status == null)
return;
status.setMessageAndClear(
jEdit.getProperty("view.status.narrow"));
}
} //}}}
//{{{ MarkerHighlight class
class MarkerHighlight extends TextAreaExtension
{
private boolean markerHighlight;
private Color markerHighlightColor;
//{{{ getMarkerHighlightColor() method
public Color getMarkerHighlightColor()
{
return markerHighlightColor;
} //}}}
//{{{ setMarkerHighlightColor() method
public void setMarkerHighlightColor(Color markerHighlightColor)
{
this.markerHighlightColor = markerHighlightColor;
} //}}}
//{{{ isMarkerHighlightEnabled() method
public boolean isMarkerHighlightEnabled()
{
return markerHighlight;
} //}}}
//{{{ isMarkerHighlightEnabled()
public void setMarkerHighlightEnabled(boolean markerHighlight)
{
this.markerHighlight = markerHighlight;
} //}}}
//{{{ paintValidLine() method
@Override
public void paintValidLine(Graphics2D gfx, int screenLine,
int physicalLine, int start, int end, int y)
{
if(isMarkerHighlightEnabled())
{
Buffer buffer = (Buffer)textArea.getBuffer();
if(buffer.getMarkerInRange(start,end) != null)
{
gfx.setColor(getMarkerHighlightColor());
FontMetrics fm = textArea.getPainter().getFontMetrics();
gfx.fillRect(0,y,textArea.getGutter()
.getWidth(),fm.getHeight());
}
}
} //}}}
//{{{ getToolTipText() method
@Override
public String getToolTipText(int x, int y)
{
if(isMarkerHighlightEnabled())
{
int lineHeight = textArea.getPainter().getFontMetrics().getHeight();
if(lineHeight == 0)
return null;
int line = y / lineHeight;
int start = textArea.getScreenLineStartOffset(line);
int end = textArea.getScreenLineEndOffset(line);
if(start == -1 || end == -1)
return null;
Buffer buffer = (Buffer)textArea.getBuffer();
Marker marker = buffer.getMarkerInRange(start,end);
if(marker != null)
{
char shortcut = marker.getShortcut();
if(shortcut == '\0')
return jEdit.getProperty("view.gutter.marker.no-name");
else
{
String[] args = { String.valueOf(shortcut) };
return jEdit.getProperty("view.gutter.marker",args);
}
}
}
return null;
} //}}}
} //}}}
}
The table below shows all metrics for EditPane.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 121.00 | Number of blocks | |
| BLOCK_COMMENT | 36.00 | Number of block comment lines | |
| COMMENTS | 298.00 | Comment lines | |
| COMMENT_DENSITY | 0.42 | Comment density | |
| COMPARISONS | 136.00 | Number of comparison operators | |
| CYCLOMATIC | 197.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 83.00 | Comments in declarations | |
| DOC_COMMENT | 171.00 | Number of javadoc comment lines | |
| ELOC | 703.00 | Effective lines of code | |
| EXEC_COMMENTS | 28.00 | Comments in executable code | |
| EXITS | 194.00 | Procedure exits | |
| FUNCTIONS | 48.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 93.95 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 105.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 0.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 6.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 3.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 55.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 1.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 0.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 1.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 6.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 0.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 1.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 2.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 1.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 0.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 0.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 6.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 6.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 0.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 0.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 1.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 2.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 1.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 2630.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 3.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 0.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 5.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 1.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 0.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 1.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 1355.00 | Number of lines in the source file | |
| LINE_COMMENT | 91.00 | Number of line comments | |
| LOC | 918.00 | Lines of code | |
| LOGICAL_LINES | 403.00 | Number of statements | |
| LOOPS | 6.00 | Number of loops | |
| NEST_DEPTH | 4.00 | Maximum nesting depth | |
| OPERANDS | 1855.00 | Number of operands | |
| OPERATORS | 3595.00 | Number of operators | |
| PARAMS | 41.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 5450.00 | Halstead program length | |
| PROGRAM_VOCAB | 598.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 64.00 | Number of return points from functions | |
| SIZE | 36567.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 543.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 55.00 | Number of unique operators | |
| WHITESPACE | 139.00 | Number of whitespace lines | |